Drinking and Bathing:
* Mammals: Deer, elk, moose, bears, raccoons, squirrels, beavers, muskrats, otters, foxes, wolves, coyotes, bobcats, mountain lions
* Birds: Ducks, geese, herons, egrets, kingfishers, sandpipers, swallows, osprey, eagles
* Reptiles: Turtles, snakes, alligators, crocodiles
* Amphibians: Frogs, toads, salamanders
Food and Hunting:
* Fish: Salmon, trout, bass, catfish, carp, pike
* Insects: Dragonflies, damselflies, mayflies, caddisflies
* Birds: Birds of prey (hawks, eagles, owls) hunt fish and other animals near rivers.
* Mammals: Otters, bears, raccoons, foxes, wolves, coyotes, bobcats, mountain lions hunt fish and other animals in or near rivers.
Shelter and Breeding:
* Mammals: Beavers, muskrats, otters, mink, deer, elk, moose, bears, wolves, coyotes, bobcats, mountain lions use rivers for shelter, protection, and raising young.
* Birds: Ducks, geese, herons, egrets, kingfishers, swallows build nests near rivers.
* Reptiles: Turtles, snakes, alligators, crocodiles use rivers for breeding and raising young.
* Amphibians: Frogs, toads, salamanders breed in rivers.
Migration:
* Fish: Salmon, trout, eels migrate up and down rivers for breeding purposes.
* Birds: Ducks, geese, herons, egrets, sandpipers migrate along rivers.
* Mammals: Deer, elk, moose may use rivers as migration routes.
Other:
* Insects: Mosquitoes, flies, and other insects breed in rivers and use them as a source of food.
* Plants: Cattails, reeds, willows, and other plants grow near rivers.
This is just a small sample of the many animals that use rivers. The specific animals found in a river depend on the location, climate, and other factors.